Degli Esposti, Luca, et al. “Pharmacoutilization of Anti-Inflammatory and Gastroprotective Drugs in Patients With Osteoarthritis: Comparison Between COXIBs and Conventional NSAIDs by Using Administrative Records”. Farmeconomia. Health Economics and Therapeutic Pathways, vol. 7, no. 4, Jan. 2006, pp. 247-54, doi:10.7175/fe.v7i4.259.